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Secondary 4 Geography Practice Paper 4
Free Sec 4 Geography Practice Paper 4, HY3 AI version, with questions, answers, and O Level-style practice for Singapore students.
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Answers
TuitionGoWhere Practice Paper Answer Key — Geography Secondary 4 (Version 4)
Topic: Map Graph Data Skills
Total Marks: 40
Section A Answers (16 marks)
Q1. [2] Temperature remains high throughout the year, between 27°C and 28°C, with very little variation (range of only 1°C).
Teaching note: Read the Temp row across months. Constant high values near equator indicate low annual temperature range. 1 mark for "high and steady", 1 mark for specific values/range.
Q2. [2] Total = 180+160+200+240+220+120+100+110+140+190+210+190 = 1960 mm.
Working: Sum all rainfall values. 1 mark for correct sum, 1 mark for showing working. Common mistake: copying one month wrongly.
Q3. [2] Total visitors = 820+310+150+40+80 = 1400 (000s). Angle = (820 ÷ 1400) × 360° = 210.9° ≈ 211°.
Steps: Find total, then proportion × 360°. 1 mark calc, 1 mark answer. Use nearest degree.
Q4. [1] Africa (40 000 visitors).
Note: Smallest value in table.
Q5. [1] Town D (4800 people/km²).
From graph bars, D tallest.
Q6. [2] 4800 – 900 = 3900 people/km².
1 mark subtraction, 1 mark correct unit.
Q7. [2] Non-residential = 15+20+10+10 = 55%.
Add commercial, park, industrial, transport. 1 mark for sum, 1 mark answer.
Q8. [2] Parks provide ecosystem services (e.g., recreation, cooling) and support sustainable urban neighbourhoods.
Any valid reason: 1 mark point, 1 mark elaboration. Syllabus link: sustainable development.
Section B Answers (12 marks)
Q9. [1] Core Zone.
Most restricted per map labels.
Q10. [2] Buffer zone absorbs human impact (e.g., from visitor centre, roads) before reaching core, protecting biodiversity.
1 mark for function, 1 mark link to map feature.
Q11. [1] Sea stack (with arch base).
Identify landform type.
Q12. [2] Features: (1) isolated rock column detached from mainland; (2) arch opening at base; (3) wave-cut platform at sea level. Any two: 1 mark each.
Q13. [2] Destructive waves. Characteristics: high steep waves (3 m), frequent (12/min), backwash > swash.
1 mark type, 1 mark two characteristics.
Q14. [2] Backwash arrows longer/more powerful than swash, showing net erosion.
1 mark observation, 1 mark link to destructiveness.
Section C Answers (12 marks)
Q15. [3] Total = 40+80+60+20+10 = 210.
Angles: Walk (40/210)×360=68.6°, Bus (80/210)×360=137.1°, MRT (60/210)×360=102.9°, Car (20/210)×360=34.3°, Cycle (10/210)×360=17.1°.
Plot pie with title and legend. 1 mark angles, 1 mark accurate plot, 1 mark title/legend.
Q16. [1] 137° (from Q15).
Q17. [2] Systematic sampling gives even coverage along transect and reduces bias.
1 mark even coverage, 1 mark reduced bias.
Q18. [1] Walking (50 responses).
Q19. [2] Use digital thermometer at fixed points (e.g., every 50 m) at same time of day to record temperature.
1 mark method, 1 mark instrument.
Q20. [2] Discharge increases from 20 (Jan) to peak 50 (May) then declines to 40 (Jun).
1 mark increase, 1 mark peak and decline.
Total Marks Check: Section A 16 + B 12 + C 12 = 40 ✓




